Air Quality
Excellent
No health implications.
22
PM2.5
32
PM10
27
O3
0.5
CO
9
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Dec
51
Good
Mon
15 Dec
53
Good
Tue
16 Dec
58
Good
Wed
17 Dec
64
Good
Thu
18 Dec
93
Good
Fri
19 Dec
97
Good
Sat
20 Dec
37
Excellent
Air quality in the last 12 months (Guangchang)
|
2025/11
|
36
|
46
|
47
|
24
|
22
|
32
|
41
|
33
|
18
|
16
|
48
|
23
|
27
|
36
|
43
|
53
|
54
|
27
|
29
|
37
|
42
|
47
|
57
|
54
|
62
|
66
|
61
|
60
|
50
|
50
|
|
|
2025/10
|
39
|
35
|
31
|
41
|
28
|
23
|
34
|
36
|
37
|
36
|
33
|
31
|
44
|
39
|
37
|
46
|
40
|
45
|
22
|
23
|
22
|
24
|
36
|
37
|
46
|
57
|
55
|
52
|
48
|
63
|
40
|
|
2025/09
|
22
|
21
|
23
|
27
|
27
|
30
|
30
|
18
|
17
|
18
|
16
|
24
|
23
|
24
|
29
|
26
|
25
|
27
|
25
|
26
|
27
|
33
|
29
|
27
|
26
|
28
|
34
|
35
|
39
|
41
|
|
|
2025/08
|
30
|
30
|
20
|
17
|
17
|
15
|
18
|
19
|
25
|
31
|
29
|
33
|
24
|
16
|
18
|
18
|
18
|
18
|
17
|
16
|
17
|
23
|
27
|
22
|
20
|
25
|
22
|
19
|
21
|
20
|
29
|
|
2025/07
|
22
|
21
|
27
|
31
|
28
|
29
|
34
|
39
|
26
|
20
|
24
|
18
|
20
|
22
|
28
|
29
|
35
|
40
|
23
|
15
|
15
|
14
|
22
|
20
|
24
|
28
|
19
|
21
|
24
|
26
|
29
|
|
2025/06
|
20
|
19
|
19
|
26
|
28
|
30
|
31
|
29
|
24
|
26
|
24
|
23
|
30
|
21
|
17
|
19
|
20
|
18
|
20
|
17
|
15
|
17
|
20
|
22
|
27
|
22
|
18
|
19
|
21
|
22
|
|
|
2025/05
|
46
|
45
|
52
|
48
|
24
|
30
|
49
|
35
|
19
|
41
|
31
|
32
|
38
|
35
|
40
|
25
|
25
|
15
|
20
|
21
|
25
|
29
|
23
|
45
|
52
|
49
|
47
|
28
|
18
|
23
|
26
|
|
2025/04
|
37
|
47
|
47
|
53
|
49
|
54
|
55
|
58
|
56
|
37
|
40
|
100
|
134
|
99
|
72
|
55
|
66
|
59
|
27
|
19
|
35
|
25
|
30
|
32
|
18
|
15
|
17
|
31
|
48
|
50
|
|
|
2025/03
|
38
|
31
|
33
|
16
|
22
|
24
|
39
|
35
|
47
|
40
|
45
|
44
|
28
|
17
|
14
|
29
|
45
|
38
|
42
|
37
|
40
|
44
|
48
|
59
|
64
|
70
|
56
|
59
|
30
|
18
|
29
|
|
2025/02
|
33
|
22
|
32
|
46
|
39
|
50
|
49
|
53
|
33
|
44
|
54
|
77
|
64
|
64
|
57
|
41
|
44
|
49
|
41
|
22
|
22
|
19
|
19
|
30
|
55
|
61
|
48
|
39
|
|||
|
2025/01
|
98
|
77
|
80
|
82
|
88
|
88
|
66
|
62
|
58
|
41
|
46
|
50
|
55
|
54
|
64
|
55
|
49
|
57
|
57
|
59
|
58
|
58
|
52
|
75
|
48
|
17
|
46
|
70
|
109
|
59
|
46
|
|
2024/12
|
44
|
46
|
53
|
73
|
60
|
50
|
40
|
58
|
59
|
57
|
36
|
41
|
58
|
56
|
51
|
51
|
52
|
59
|
62
|
61
|
63
|
71
|
62
|
67
|
75
|
74
|
99
|
80
|
71
|
72
|
77
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution